HTMLViewSourceParser should pumpTokenizer only if not detached

third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.cpp

Index: third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.cpp b/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.cpp
index b3f567577cc9323c14c4c6648a2ffe1436bb7d93..525ac2db3005cf1e54036a912117d391516bb958 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLViewSourceParser.cpp
@@ -73,7 +73,10 @@ void HTMLViewSourceParser::finish()
 {
     if (!m_input.haveSeenEndOfFile())
         m_input.markEndOfFile();
-    pumpTokenizer();
+
+    if (!isDetached())
+        pumpTokenizer();
+
     document()->finishedParsing();
 }